chore(graphql): bump graphql engine version (#9864)

Author: david-leifker

build.gradle

@@ -128,8 +128,8 @@ project.ext.externalDependency = [
     'elasticSearchRest': 'org.opensearch.client:opensearch-rest-high-level-client:' + elasticsearchVersion,
     'elasticSearchJava': 'org.opensearch.client:opensearch-java:2.6.0',
     'findbugsAnnotations': 'com.google.code.findbugs:annotations:3.0.1',
-    'graphqlJava': 'com.graphql-java:graphql-java:19.5',
-    'graphqlJavaScalars': 'com.graphql-java:graphql-java-extended-scalars:19.1',
+    'graphqlJava': 'com.graphql-java:graphql-java:21.3',
+    'graphqlJavaScalars': 'com.graphql-java:graphql-java-extended-scalars:21.0',
     'gson': 'com.google.code.gson:gson:2.8.9',
     'guice': 'com.google.inject:guice:7.0.0',
     'guice4': 'com.google.inject:guice:4.2.3', // Used for frontend while still on old Play version

datahub-graphql-core/src/main/java/com/linkedin/datahub/graphql/exception/DataHubDataFetcherExceptionHandler.java

@@ -6,6 +6,7 @@
 import graphql.execution.DataFetcherExceptionHandlerResult;
 import graphql.execution.ResultPath;
 import graphql.language.SourceLocation;
+import java.util.concurrent.CompletableFuture;
 import lombok.extern.slf4j.Slf4j;
 
 @PublicApi
@@ -15,7 +16,7 @@ public class DataHubDataFetcherExceptionHandler implements DataFetcherExceptionH
   private static final String DEFAULT_ERROR_MESSAGE = "An unknown error occurred.";
 
   @Override
-  public DataFetcherExceptionHandlerResult onException(
+  public CompletableFuture<DataFetcherExceptionHandlerResult> handleException(
       DataFetcherExceptionHandlerParameters handlerParameters) {
     Throwable exception = handlerParameters.getException();
     SourceLocation sourceLocation = handlerParameters.getSourceLocation();
@@ -44,7 +45,8 @@ public DataFetcherExceptionHandlerResult onException(
       log.error("Failed to execute", exception);
     }
     DataHubGraphQLError error = new DataHubGraphQLError(message, path, sourceLocation, errorCode);
-    return DataFetcherExceptionHandlerResult.newResult().error(error).build();
+    return CompletableFuture.completedFuture(
+        DataFetcherExceptionHandlerResult.newResult().error(error).build());
   }
 
   <T extends Throwable> T findFirstThrowableCauseOfClass(Throwable throwable, Class<T> clazz) {